[librsvg] (11 commits) ...rustfmt

[Federico Mena Quintero <federico src gnome org>]

Summary of changes:

  f602433... handle: move some of get_dimensions_sub to rust
  bfffb54... handle: move check before using treebase
  39427d7... length: do not export to C
  fe5d9d5... Rename RsvgLength to simply Length
  c850887... Remove structure.h header
  824c8b2... Consolidate rsvg-xml.c inside rsvg-load
  02060d0... Remove unused paint-server header
  ca96a9b... handle: use g_ptr_array_new_with_free_func for the nodes
  18074ef... handle: cleanup dispose
  e6f542e... Merge branch 'pborelli/librsvg-length'
  315f524... rustfmt